DT

David J. Twichell

BL Blackstone: 4 patents #2 of 11Top 20%
Overall (All Time): #1,299,456 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5076557 Twist indicator gasket Paul K. Beatenbough, Lavoyce Dey 1991-12-31
5031924 Twist indicator gasket Paul K. Beatenbough, Lavoyce Dey 1991-07-16
4997035 Joint crevice corrosion inhibitor Paul K. Beatenbough, Lavoyce Dey 1991-03-05
4501321 After cooler, charge air cooler and turbulator assemblies and methods of making the same John D. Real, Lauren R. Weed 1985-02-26